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Create MigrationIncomingState

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There are currently lots of pieces of incoming migration state scattered
around, and postcopy is adding more, and it seems better to try and keep
it together.

allocate MIS in process_incoming_migration_co

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Dr. David Alan Gilbert 2015-05-21 13:24:14 +01:00 • committed by Juan Quintela
parent e3807054e2
commit bca7856ae8
4 changed files with 40 additions and 0 deletions
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28
migration/migration.c
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@ -53,6 +53,7 @@ static bool deferred_incoming;
migrations at once. For now we don't need to add
dynamic creation of migration */
/* For outgoing */
MigrationState *migrate_get_current(void)
{
static MigrationState current_migration = {
@ -71,6 +72,28 @@ MigrationState *migrate_get_current(void)
return &current_migration;
}
/* For incoming */
static MigrationIncomingState *mis_current;
MigrationIncomingState *migration_incoming_get_current(void)
{
return mis_current;
}
MigrationIncomingState *migration_incoming_state_new(QEMUFile* f)
{
mis_current = g_malloc0(sizeof(MigrationIncomingState));
mis_current->file = f;
return mis_current;
}
void migration_incoming_state_destroy(void)
{
g_free(mis_current);
mis_current = NULL;
}
/*
* Called on -incoming with a defer: uri.
* The migration can be started later after any parameters have been
@ -115,9 +138,14 @@ static void process_incoming_migration_co(void *opaque)
Error *local_err = NULL;
int ret;
migration_incoming_state_new(f);
ret = qemu_loadvm_state(f);
qemu_fclose(f);
free_xbzrle_decoded_buf();
migration_incoming_state_destroy();
if (ret < 0) {
error_report("load of migration failed: %s", strerror(-ret));
migrate_decompress_threads_join();